Hunters prefer to catch the large female iguanas. Green iguana is recognized as "Bamboo Chicken" and is a favorite delicacy for many people. Appearance of the Green Iguana: The green iguana normally grows between 4' to 6'. Some of them excessively grow and are even 7' in length. Their tail constitutes almost half of their total length. The crest on the back of males is heavier than female iguanas. They have a wide mouth and sharp teeth, short nostrils and exterior ear drums. Iguanas have a third eye also at top of head, which watches the movements over the head. Red Sided Skink iguanas also have a third eye. This variety of iguana is mostly found in rocky plains of Eastern and Southern Africa. The box used for nest should be durable and should contain about 200 pounds of sand or soil in it. Some quality of try planter can also be put at an end to form a sort of tunnel for iguana to play. Other alternatives are to use wooden or plastic boxes. Again, ensure that reptiles remain safe. The laying of eggs should be supervised. Genus Conolophus, have closest resemblance with the marine iguana. This iguana is also known as Galapagos Land Iguana and basically eats plants and cactus. The next varieties, Genus Ctenosauria are spiny tailed iguanas. They are basically natives of Mexico and Central America. Further, they are very small in comparison to other varieties of iguanas and can grow only from 5 inches to 35 inches in length. Constructing a Perfect Shelter for Iguana Iguanas love to live freely. They like to stay in large and broad natural surroundings. They prefer to have their abode on the high and dense trees. Iguanas can protect themselves from their foes and predators by hiding on the top of these trees. They are also capable to jump down and climb high for safety from the enemies without injuring themselves. If you interact with it regularly, it can develop affection with you and you can train your iguana easily. The training session can be twice or thrice a day for about 10 to 15 minutes. You should pat their neck and back to make them pick up the things quickly. You should bear in mind that by nature these creatures are invasive.